Method for the use of new silicoaluminophosphas having an AEL structure to convert naptha to C2 to C4 olefins

US6300537A · kind A · utility

Assignee

• Exxon Research and Engineering Company · US

Inventors

• Karl G. Strohmaier · Hackettstown, US
• David E. W. Vaughan · Columbia, US
• Tan-Jen Chen · Kingwood, US
• Philip A. Ruziska · Kingwood, US
• Brian Erik Henry · Baton Rouge, US
• Gordon F. Stuntz · Baton Rouge, US
• Stephen M. Davis · Baton Rouge, US

Key dates

• Filing date: May 20, 1999
• Grant date: Oct 9, 2001
• Expiry date: May 20, 2019

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S423/30
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Disclosed are silicoaluminates (SAPOs) having unique silicon distributions, a method for their preparation and their use as naphtha cracking catalysts. More particularly, the new SAPOs have a high silica:alumina ratio and favorable Si atom distribution.